src/views/renamedialog.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2006-2010 by Peter Penz (peter.penz@gmx.at)             *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA          *
  18  ***************************************************************************/
  19
  20 #include "renamedialog.h"
  21
  22 #include <KLineEdit>
  23 #include <KLocale>
  24 #include <konq_operations.h>
  25 #include <KStringHandler>
  26 #include <knuminput.h>
  27 #include <kmimetype.h>
  28
  29 #include <QHBoxLayout>
  30 #include <QLabel>
  31 #include <QVBoxLayout>
  32
  33 /**
  34  * Helper function for sorting items with qSort() in
  35  * DolphinView::renameSelectedItems().
  36  */
  37 bool lessThan(const KFileItem& item1, const KFileItem& item2)
  38 {
  39     return KStringHandler::naturalCompare(item1.name(), item2.name()) < 0;
  40 }
  41
  42 RenameDialog::RenameDialog(QWidget *parent, const KFileItemList& items) :
  43     KDialog(parent),
  44     m_renameOneItem(false),
  45     m_newName(),
  46     m_lineEdit(0),
  47     m_items(items),
  48     m_spinBox(0)
  49 {
  50     const QSize minSize = minimumSize();
  51     setMinimumSize(QSize(320, minSize.height()));
  52
  53     const int itemCount = items.count();
  54     Q_ASSERT(itemCount >= 1);
  55     m_renameOneItem = (itemCount == 1);
  56
  57     setCaption(m_renameOneItem ?
  58                i18nc("@title:window", "Rename Item") :
  59                i18nc("@title:window", "Rename Items"));
  60     setButtons(Ok | Cancel);
  61     setDefaultButton(Ok);
  62
  63     setButtonGuiItem(Ok, KGuiItem(i18nc("@action:button", "&Rename"), "dialog-ok-apply"));
  64
  65     QWidget* page = new QWidget(this);
  66     setMainWidget(page);
  67
  68     QVBoxLayout* topLayout = new QVBoxLayout(page);
  69
  70     QLabel* editLabel = 0;
  71     if (m_renameOneItem) {
  72         m_newName = items.first().name();
  73         editLabel = new QLabel(i18nc("@label:textbox", "Rename the item <filename>%1</filename> to:", m_newName),
  74                                page);
  75     } else {
  76         m_newName = i18nc("@info:status", "New name #");
  77         editLabel = new QLabel(i18ncp("@label:textbox",
  78                                       "Rename the %1 selected item to:",
  79                                       "Rename the %1 selected items to:", itemCount),
  80                                page);
  81     }
  82
  83     m_lineEdit = new KLineEdit(page);
  84     connect(m_lineEdit, SIGNAL(textChanged(QString)), this, SLOT(slotTextChanged(QString)));
  85
  86     int selectionLength = m_newName.length();
  87     if (m_renameOneItem) {
  88         const QString fileName = items.first().url().prettyUrl();
  89         const QString extension = KMimeType::extractKnownExtension(fileName.toLower());
  90         if (extension.length() > 0) {
  91             // Don't select the extension
  92             selectionLength -= extension.length() + 1;
  93         }
  94     } else {
  95          // Don't select the # character
  96         --selectionLength;
  97     }
  98
  99     m_lineEdit->setText(m_newName);
 100     m_lineEdit->setSelection(0, selectionLength);
 101     m_lineEdit->setFocus();
 102
 103     topLayout->addWidget(editLabel);
 104     topLayout->addWidget(m_lineEdit);
 105
 106     if (!m_renameOneItem) {
 107         QLabel* infoLabel = new QLabel(i18nc("@info", "# will be replaced by ascending numbers starting with:"), page);
 108         m_spinBox = new KIntSpinBox(0, 10000, 1, 1, page, 10);
 109
 110         QHBoxLayout* horizontalLayout = new QHBoxLayout(page);
 111         horizontalLayout->setMargin(0);
 112         horizontalLayout->addWidget(infoLabel);
 113         horizontalLayout->addWidget(m_spinBox);
 114
 115         topLayout->addLayout(horizontalLayout);
 116     }
 117 }
 118
 119 RenameDialog::~RenameDialog()
 120 {
 121 }
 122
 123 void RenameDialog::slotButtonClicked(int button)
 124 {
 125     if (button == KDialog::Ok) {
 126         m_newName = m_lineEdit->text();
 127
 128         if (m_renameOneItem) {
 129             Q_ASSERT(m_items.count() == 1);
 130             const KUrl oldUrl = m_items.first().url();
 131             KUrl newUrl = oldUrl;
 132             newUrl.setFileName(KIO::encodeFileName(m_newName));
 133             KonqOperations::rename(this, oldUrl, newUrl);
 134         } else {
 135             renameItems();
 136         }
 137     }
 138
 139     KDialog::slotButtonClicked(button);
 140 }
 141
 142 void RenameDialog::slotTextChanged(const QString& newName)
 143 {
 144     bool enable = !newName.isEmpty() && (newName != QLatin1String("..")) && (newName != QLatin1String("."));
 145     if (enable && !m_renameOneItem) {
 146         // Assure that the new name contains exactly one # (or a connected sequence of #'s)
 147         const int minSplitCount = 1;
 148         int maxSplitCount = 2;
 149         if (newName.startsWith(QLatin1Char('#'))) {
 150             --maxSplitCount;
 151         }
 152         if (newName.endsWith(QLatin1Char('#'))) {
 153             --maxSplitCount;
 154         }
 155         const int splitCount = newName.split(QLatin1Char('#'), QString::SkipEmptyParts).count();
 156         enable = enable && (splitCount >= minSplitCount) && (splitCount <= maxSplitCount);
 157     }
 158     enableButtonOk(enable);
 159 }
 160
 161 void RenameDialog::renameItems()
 162 {
 163     // Currently the items are sorted by the selection order, resort
 164     // them by the filename. This assures that the new sort order is similar to
 165     // the current filename sort order.
 166     qSort(m_items.begin(), m_items.end(), lessThan);
 167
 168     // Iterate through all items and rename them...
 169     int index = m_spinBox->value();
 170     foreach (const KFileItem& item, m_items) {
 171         QString newName = indexedName(m_newName, index, QLatin1Char('#'));
 172         ++index;
 173
 174         const KUrl oldUrl = item.url();
 175         const QString extension = KMimeType::extractKnownExtension(oldUrl.prettyUrl().toLower());
 176         if (!extension.isEmpty()) {
 177             newName.append(QLatin1Char('.'));
 178             newName.append(extension);
 179         }
 180
 181         if (oldUrl.fileName() != newName) {
 182             KUrl newUrl = oldUrl;
 183             newUrl.setFileName(KIO::encodeFileName(newName));
 184             KonqOperations::rename(this, oldUrl, newUrl);
 185         }
 186     }
 187 }
 188
 189 QString RenameDialog::indexedName(const QString& name, int index, const QChar& indexPlaceHolder)
 190 {
 191     QString newName = name;
 192
 193     QString indexString = QString::number(index);
 194
 195     // Insert leading zeros if necessary
 196     const int minIndexLength = name.count(indexPlaceHolder);
 197     while (indexString.length() < minIndexLength) {
 198         indexString.prepend(QLatin1Char('0'));
 199     }
 200
 201     // Replace the index placeholders by the indexString
 202     const int placeHolderStart = newName.indexOf(indexPlaceHolder);
 203     newName.replace(placeHolderStart, minIndexLength, indexString);
 204
 205     return newName;
 206 }
 207
 208 #include "renamedialog.moc"